package java67_17.jiekou.pc;

public class USBFan implements USB {
	private String brand;

	public USBFan(String b) {
		brand = b;
	}

	@Override
	public void plug() {
		System.out.println(brand + "接在了usb口上");
		System.out.println("供电电压是" + V + "伏");
	}

	@Override
	public void work() {
		System.out.println("扇叶转动,送出冷风!");
	}

}
